Add ServiceHost, ServiceClient, and RondevuService for high-level service management

- Add RondevuService: High-level API for username claiming and service publishing with Ed25519 signatures
- Add ServiceHost: Manages offer pool for hosting services with auto-replacement
- Add ServiceClient: Connects to hosted services with automatic reconnection
- Add NoOpSignaler: Placeholder signaler for connection setup
- Integrate Ed25519 signature functionality from @noble/ed25519
- Add ESLint and Prettier configuration with 4-space indentation
- Add demo with local signaling test
- Version bump to 0.10.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/index.ts

@@ -3,29 +3,38 @@
  * WebRTC peer signaling client
  */
 
-export { ConnectionManager } from './connection-manager.js';
-export { EventBus } from './event-bus.js';
-export { RondevuAPI } from './api.js';
-export { RondevuSignaler } from './signaler.js';
-export { WebRTCRondevuConnection } from './connection.js';
-export { createBin } from './bin.js';
+export { EventBus } from './event-bus.js'
+export { RondevuAPI } from './api.js'
+export { RondevuService } from './rondevu-service.js'
+export { RondevuSignaler } from './signaler.js'
+export { ServiceHost } from './service-host.js'
+export { ServiceClient } from './service-client.js'
+export { WebRTCRondevuConnection } from './connection.js'
+export { createBin } from './bin.js'
 
 // Export types
 export type {
-  ConnectionInterface,
-  QueueMessageOptions,
-  Message,
-  ConnectionEvents,
-  Signaler
-} from './types.js';
+    ConnectionInterface,
+    QueueMessageOptions,
+    Message,
+    ConnectionEvents,
+    Signaler,
+} from './types.js'
 
 export type {
-  Credentials,
-  OfferRequest,
-  Offer,
-  ServiceRequest,
-  Service,
-  IceCandidate
-} from './api.js';
+    Credentials,
+    Keypair,
+    OfferRequest,
+    Offer,
+    ServiceRequest,
+    Service,
+    IceCandidate,
+} from './api.js'
 
-export type { Binnable } from './bin.js';
+export type { Binnable } from './bin.js'
+
+export type { RondevuServiceOptions, PublishServiceOptions } from './rondevu-service.js'
+
+export type { ServiceHostOptions, ServiceHostEvents } from './service-host.js'
+
+export type { ServiceClientOptions, ServiceClientEvents } from './service-client.js'